Under the patronage of His Majesty King Salman bin Abdulaziz Al Saud, the Custodian of the Two Holy Mosques, the Global Center for Mass Gatherings Medicine (GCMGM) at MoH, a WHO collaborating centre, is preparing to host its 5th International Conference for Mass Gatherings Medicine (ICMGM) under the theme “Legacy in Global Health Security”. The upcoming event will occur at Hilton Riyadh from 29-31 October 2023.